diff --git a/packages/react-native/React/CoreModules/RCTDevMenu.h b/packages/react-native/React/CoreModules/RCTDevMenu.h
index 4886ce60173..3b1d00098f6 100644
--- a/packages/react-native/React/CoreModules/RCTDevMenu.h
+++ b/packages/react-native/React/CoreModules/RCTDevMenu.h
@@ -78,7 +78,7 @@ RCT_EXTERN NSString *const RCTShowDevMenuNotification;
 
 @end
 
-typedef NSString * (^RCTDevMenuItemTitleBlock)(void);
+using RCTDevMenuItemTitleBlock = NSString * (^)();
 
 /**
  * Developer menu item, used to expose additional functionality via the menu.
diff --git a/packages/react-native/React/CoreModules/RCTDevMenu.mm b/packages/react-native/React/CoreModules/RCTDevMenu.mm
index 3918ea0b142..3718fa3c9d8 100644
--- a/packages/react-native/React/CoreModules/RCTDevMenu.mm
+++ b/packages/react-native/React/CoreModules/RCTDevMenu.mm
@@ -87,7 +87,7 @@ RCT_NOT_IMPLEMENTED(-(instancetype)init)
 
 @end
 
-typedef void (^RCTDevMenuAlertActionHandler)(UIAlertAction *action);
+using RCTDevMenuAlertActionHandler = void (^)(UIAlertAction *__strong);
 
 @interface RCTDevMenu () <RCTBridgeModule, RCTInvalidating, NativeDevMenuSpec>
 
diff --git a/packages/react-native/React/CoreModules/RCTPerfMonitor.mm b/packages/react-native/React/CoreModules/RCTPerfMonitor.mm
index 34f29744c2e..86eabc6fb20 100644
--- a/packages/react-native/React/CoreModules/RCTPerfMonitor.mm
+++ b/packages/react-native/React/CoreModules/RCTPerfMonitor.mm
@@ -39,7 +39,7 @@ static NSString *const RCTPerfMonitorCellIdentifier = @"RCTPerfMonitorCellIdenti
 static const CGFloat RCTPerfMonitorBarHeight = 50;
 static const CGFloat RCTPerfMonitorExpandHeight = 250;
 
-typedef BOOL (*RCTJSCSetOptionType)(const char *);
+using RCTJSCSetOptionType = BOOL (*)(const char *);
 
 NSArray<NSString *> *LabelsForRCTPerformanceLoggerTags();
 
diff --git a/packages/react-native/React/CoreModules/RCTRedBox.h b/packages/react-native/React/CoreModules/RCTRedBox.h
index a8031aa3aed..320a78a54ef 100644
--- a/packages/react-native/React/CoreModules/RCTRedBox.h
+++ b/packages/react-native/React/CoreModules/RCTRedBox.h
@@ -12,7 +12,7 @@
 
 @class RCTJSStackFrame;
 
-typedef void (^RCTRedBoxButtonPressHandler)(void);
+using RCTRedBoxButtonPressHandler = void (^)();
 
 @interface RCTRedBox : NSObject <RCTBridgeModule>